Home / 4,480,004.10-6,720,006.15-4,090,280.70

Finding the Fourth Proportional to 4,480,004.10, 6,720,006.15 and 4,090,280.70

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Solution

The fourth proportional to 4,480,004.10, 6,720,006.15 and 4,090,280.70 is: 6,135,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480,004.10 : 6,720,006.15 = 4,090,280.70 : x
  2. Step 2: Convert to fraction form
    4,480,004.10/6,720,006.15 = 4,090,280.70/x
  3. Step 3: Cross multiply
    4,480,004.10x = 6,720,006.15 × 4,090,280.70
  4. Step 4: Simplify right side
    4,480,004.10x = 27,486,711,459,226.31
  5. Step 5: Solve for x
    x = 27,486,711,459,226.31/4,480,004.10
  6. Step 6: Final answer
    x = 6,135,421.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.